My guess would be that your MSI configuration is incorrect. Take a look at the appropriate setup guide and follow the instructions to reconfigure your MSI in SFDC.Enterprise/Unlimi...
Ah, the problem is that you have your edge linked to Leads. That's not a valid configuration. Your edge needs to not have a link field in order to be a valid link object.
What exactly are you trying to accomplish? Custom objects can really only be interacted with through leads via smart lists and email scripting, both of which are partition-aware an...
You won't be able to configure it that way. You need to provision and approve the edge object and then select a link field to the edge object from the bridge and approve it, like t...
One thing you might try is trimming the trailing space at the end of your class list, that might be causing an issue, though that would still be a bug in my opinion.If that doesn't...
I've never encountered this without saturating the queue first. I'd suggest filing a support ticket with the details provided so that they can triage the issue.
To answer your question, no there really isn't a compelling reason. Are there specific endpoints that you're referring to that accept name, but not ID?